1. Beijing Key Laboratory of Lignocellulosic Chemistry Engineering ResearchCenter of Forestry Biomass Materials and Bioenergy (Ministry of Education) Beijing Forestry University 35 Qinghua East Road, Haidian District Beijing 100083 China E-mail: address
2. Nongyuan Technology (Beijing) Co., Ltd. Miyun Economic Development Zone Beijing No.8 South Xingsheng Road Beijing 101599 China